/*
 * Copyright (c) 2022 Talkweb Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "watch_dog.h"

IWDG_HandleTypeDef hiwdg;

int watch_dog_init(unsigned int timeout)
{
    if (timeout < WATCHDOG_MIN_TIMEOUT || timeout > WATCHDOG_MAX_TIMEOUT)
        return -1;
    hiwdg.Instance = IWDG;
    hiwdg.Init.Prescaler = IWDG_PRESCALER_32;
    hiwdg.Init.Reload = timeout - 1;
    HAL_IWDG_Init(&hiwdg);
    __HAL_IWDG_START(&hiwdg);
    return 0;
}

void feed_dog(void)
{
#ifdef LOSCFG_WATCH_DOG
    HAL_IWDG_Refresh(&hiwdg);
#endif
}